CHAPTER VI 

 GREENHOUSE PESTS 



Causes of Greenhouse failures — Pests of the Vine — Vine Weevils 

 and other Beetles — Gothic Moth — ^White Line Dart Moth — 

 Yellow Underwing Moth — Ermine Moths — Tortrix Moths 

 and Microlepidoptera — Vine Tortrix — Grape Scab — Mealy 

 Bug — The terrible Grape Louse — Wasps and Hornets — 

 Friendly Sand-wasps — Red Spider or Spinning Mite — 

 Fungoid Diseases — Powdery Mildew — White Rot — Figs 

 and Pine-apples — Other Fruits — Figure of Eight Moth — 

 Cucumber Pests — Aphides, Thrips and Woodlice — Canker 

 on Cucumbers, Melons and Tomatoes — Cucumber Leaf 

 Blotch — Root Knob Eelworm — White or Snowy Fly — Ants 

 in the Greenhouse. 



ONE of the first things that the novice at gardening 

 looks forward to is the possession of a greenhouse. 

 At the commencement of his career the terrible vagaries 

 of the EngUsh cHmate are brought home to him in a very 

 real and often very exasperating fashion. He had cursed 

 the weather before. He now does it some more and a 

 little bit over. At the same time, if haply the budding 

 gardener should pass by some one's conservatory and 

 notice how the cinerarias bloom when snow is on the 

 ground, or he has a neighbour who points with joy to 

 some tomato plants actually in fruit when Ms' have not 

 even germinated, he draws in his breath quickly, ^drops 



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